<template>
  <div class="user-container">
    <h1 class="page-title">读者管理</h1>
    
    <!-- 搜索表单 -->
    <el-card class="search-card">
      <el-form inline="true" size="small" class="search-form">
        <el-form-item label="读者编号">
          <el-input v-model="search1" placeholder="请输入读者编号" clearable>
            <template #prefix><el-icon class="el-input__icon"><search/></el-icon></template>
          </el-input>
        </el-form-item>
        <el-form-item label="姓名">
          <el-input v-model="search2" placeholder="请输入姓名" clearable>
            <template #prefix><el-icon class="el-input__icon"><search /></el-icon></template>
          </el-input>
        </el-form-item>
        <el-form-item label="电话号码">
          <el-input v-model="search3" placeholder="请输入电话号码" clearable>
            <template #prefix><el-icon class="el-input__icon"><search /></el-icon></template>
          </el-input>
        </el-form-item>
        <el-form-item label="地址">
          <el-input v-model="search4" placeholder="请输入地址" clearable>
            <template #prefix><el-icon class="el-input__icon"><search /></el-icon></template>
          </el-input>
        </el-form-item>
        <div class="form-buttons">
          <el-button type="primary" @click="load" size="mini" class="search-button">
            <i class="el-icon-search"></i> 查询
          </el-button>
          <el-button size="mini" type="danger" @click="clear" class="reset-button">
            <i class="el-icon-refresh"></i> 重置
          </el-button>
        </div>
      </el-form>
    </el-card>
    
    <!-- 操作按钮区 -->
    <div class="action-bar">
      <el-popconfirm title="确认删除?" @confirm="deleteBatch" v-if="user.role == 1">
        <template #reference>
          <el-button type="danger" size="mini" class="batch-delete-button">
            <i class="el-icon-delete"></i> 批量删除
          </el-button>
        </template>
      </el-popconfirm>
    </div>
    
    <!-- 数据表格 -->
    <el-card class="data-card">
      <el-table 
        :data="tableData" 
        stripe 
        border="true" 
        @selection-change="handleSelectionChange"
        class="data-table"
      >
        <el-table-column v-if="user.role ==1" type="selection" width="55"></el-table-column>
        <el-table-column prop="id" label="读者编号" sortable />
        <el-table-column prop="username" label="用户名" />
        <el-table-column prop="nickName" label="姓名" />
        <el-table-column prop="phone" label="电话号码" />
        <el-table-column prop="sex" label="性别">
          <template v-slot="scope">
            <el-tag :type="scope.row.sex === '男' ? 'primary' : 'success'" size="small">
              {{ scope.row.sex }}
            </el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="address" label="地址" />
        <el-table-column fixed="right" label="操作" width="180">
          <template v-slot="scope">
            <div class="table-action-buttons">
              <el-button type="primary" size="mini" @click="handleEdit(scope.row)" class="edit-button">
                <i class="el-icon-edit"></i> 编辑
              </el-button>
              <el-popconfirm title="确认删除?" @confirm="handleDelete(scope.row.id)">
                <template #reference>
                  <el-button type="danger" size="mini" class="delete-button">
                    <i class="el-icon-delete"></i> 删除
                  </el-button>
                </template>
              </el-popconfirm>
            </div>
          </template>
        </el-table-column>
      </el-table>
      
      <!-- 分页 -->
      <el-pagination
        v-model:currentPage="currentPage"
        :page-sizes="[5, 10, 20]"
        :page-size="pageSize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        class="pagination"
      >
      </el-pagination>
    </el-card>

    <!-- 编辑对话框 -->
    <el-dialog v-model="dialogVisible" title="编辑读者信息" width="30%" class="user-dialog">
      <el-form :model="form" label-width="120px" class="edit-form">
        <el-form-item label="用户名">
          <el-input v-model="form.username" class="form-input"></el-input>
        </el-form-item>
        <el-form-item label="昵称">
          <el-input v-model="form.nickName" class="form-input"></el-input>
        </el-form-item>
        <el-form-item label="电话号码">
          <el-input v-model="form.phone" class="form-input"></el-input>
        </el-form-item>
        <el-form-item label="性别">
          <div class="radio-group">
            <el-radio v-model="form.sex" label="男">男</el-radio>
            <el-radio v-model="form.sex" label="女">女</el-radio>
          </div>
        </el-form-item>
        <el-form-item label="地址">
          <el-input type="textarea" v-model="form.address" class="form-textarea"></el-input>
        </el-form-item>
      </el-form>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="dialogVisible = false" class="cancel-button">取 消</el-button>
          <el-button type="primary" @click="save" class="confirm-button">确 定</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script>
// @ is an alias to /src
import request from "../utils/request";
import {ElMessage} from "element-plus";

export default {
  created(){
    this.load()
    let userStr = sessionStorage.getItem("user") ||"{}"
    this.user = JSON.parse(userStr)
  },
  name: 'User',
  methods: {
    handleSelectionChange(val){
      this.ids = val.map(v => v.id)
    },
    deleteBatch(){
      if (!this.ids.length) {
        ElMessage.warning("请选择数据！")
        return
      }
      //  一个小优化，直接发送这个数组，而不是一个一个的提交删除
      request.post("/user/deleteBatch",this.ids).then(res =>{
        if(res.code === '0'){
          ElMessage.success("批量删除成功")
          this.load()
        }
        else {
          ElMessage.error(res.msg)
        }
      })
    },
    load(){
      request.get("user/usersearch",{
        params:{
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          search1: this.search1,
          search2: this.search2,
          search3: this.search3,
          search4: this.search4,
        }
      }).then(res =>{
        console.log(res)
        this.tableData = res.data.records
        this.total = res.data.total
      })
    },
    clear(){
      this.search1 = ""
      this.search2 = ""
      this.search3 = ""
      this.search4 = ""
      this.load()
    },

    handleDelete(id){
      request.delete("user/" + id ).then(res =>{
        console.log(res)
        if(res.code == 0 ){
          ElMessage.success("删除成功")
        }
        else
          ElMessage.error(res.msg)
        this.load()
      })
    },


    add(){
      this.dialogVisible= true
      this.form ={}
    },
    save(){
      if(this.form.id){
        request.put("/user",this.form).then(res =>{
          console.log(res)
          if(res.code == 0){
            ElMessage({
              message: '更新成功',
              type: 'success',
            })
          }
          else {
            ElMessage.error(res.msg)
          }

          this.load() //不知道为啥，更新必须要放在这里面
          this.dialogVisible = false
        })
      }
      else {
        request.post("/user",this.form).then(res =>{
          console.log(res)
          if(res.code == 0){
            ElMessage.success('添加成功')
          }
          else {
            ElMessage.error(res.msg)
          }
          this.load()
          this.dialogVisible = false
        })
      }

    },


    handleEdit(row){
      this.form = JSON.parse(JSON.stringify(row))
      this.dialogVisible = true
    },
    handleSizeChange(pageSize){
      this.pageSize = pageSize
      this.load()
    },
    handleCurrentChange(pageNum){
      this.pageNum = pageNum
      this.load()
    },
  },
  data() {
    return {
      form: {},
      dialogVisible : false,
      search1:'',
      search2:'',
      search3:'',
      search4:'',
      total:10,
      currentPage:1,
      pageSize: 10,
      tableData: [

      ],
      user:{},
      ids:[],
    }
  },
}
</script>

<style scoped>
.user-container {
  padding: 20px;
}

.page-title {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
  border-left: 4px solid var(--primary-color);
  padding-left: 10px;
}

.search-card {
  margin-bottom: 20px;
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow);
  border: none;
}

.search-form {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.form-buttons {
  display: flex;
  gap: 10px;
  margin-left: 10px;
}

.action-bar {
  margin: 20px 0;
}

.batch-delete-button {
  background-color: var(--danger-color);
  border-color: var(--danger-color);
}

.data-card {
  border-radius: var(--border-radius-medium);
  box-shadow: var(--box-shadow);
  border: none;
  margin-bottom: 20px;
}

.data-table {
  margin-bottom: 20px;
}

.table-action-buttons {
  display: flex;
  gap: 8px;
}

.edit-button {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.delete-button {
  background-color: var(--danger-color);
  border-color: var(--danger-color);
}

.pagination {
  margin-top: 20px;
  display: flex;
  justify-content: flex-end;
}

.user-dialog :deep(.el-dialog__header) {
  background-color: var(--primary-color);
  color: white;
  padding: 15px 20px;
}

.user-dialog :deep(.el-dialog__title) {
  color: white;
  font-weight: 600;
}

.user-dialog :deep(.el-dialog__body) {
  padding: 20px;
}

.edit-form {
  margin-top: 20px;
}

.form-input, .form-textarea {
  width: 100%;
}

.radio-group {
  display: flex;
  gap: 20px;
}

.cancel-button {
  border-radius: var(--border-radius-small);
}

.confirm-button {
  border-radius: var(--border-radius-small);
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}
</style>
